Run MicrodroidHostTestCase with selinux enforced

We have sepolicy rules added so that we can run microdroid tests without
turning off selinux.

Bug: 168588769
Test: atest MicrodroidHostTestCases
Change-Id: I13997ce4332193674c70d65a2615bf2b00fd1fc9
diff --git a/tests/hostside/AndroidTest.xml b/tests/hostside/AndroidTest.xml
index eda733a..e8aced6 100644
--- a/tests/hostside/AndroidTest.xml
+++ b/tests/hostside/AndroidTest.xml
@@ -14,14 +14,6 @@
      limitations under the License.
 -->
 <configuration description="Tests for microdroid">
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-        <option name="force-root" value="true" />
-    </target_preparer>
-
-    <!-- virtualizationservice doesn't have access to shell_data_file. Instead of giving it
-      a test-only permission, run it without selinux -->
-    <target_preparer class="com.android.tradefed.targetprep.DisableSELinuxTargetPreparer"/>
-
     <test class="com.android.compatibility.common.tradefed.testtype.JarHostTest" >
         <option name="jar" value="MicrodroidHostTestCases.jar" />
     </test>
diff --git a/tests/hostside/helper/java/android/virt/test/VirtualizationTestCaseBase.java b/tests/hostside/helper/java/android/virt/test/VirtualizationTestCaseBase.java
index 988b1ad..40debba 100644
--- a/tests/hostside/helper/java/android/virt/test/VirtualizationTestCaseBase.java
+++ b/tests/hostside/helper/java/android/virt/test/VirtualizationTestCaseBase.java
@@ -84,7 +84,7 @@
         // don't run the test (instead of failing)
         android.assumeSuccess("ls /dev/kvm");
         android.assumeSuccess("ls /dev/vhost-vsock");
-        android.assumeSuccess("ls /apex/com.android.virt/bin/crosvm");
+        android.assumeSuccess("ls /apex/com.android.virt");
     }
 
     // Run an arbitrary command in the host side and returns the result
@@ -181,7 +181,6 @@
         final String debugFlag = debug ? "--debug " : "";
 
         // Run the VM
-        android.run("start", "virtualizationservice");
         String ret =
                 android.run(
                         VIRT_APEX + "bin/vm",